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PDF tool

Redact PDF

Black out sensitive content and flatten pages so hidden text cannot be copied.

Runs on-deviceNo sign-upFree

Redact PDF workspace

Workspace

Redact PDF

Runs locally

Drop a PDF to redact

or · PDF files only · nothing is uploaded

How redaction works

Draw black boxes over anything sensitive. The document is then flattened into new pages, so hidden text underneath cannot be selected, copied or searched.

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Redact PDF is a free browser-based pdf tool. Black out sensitive content and flatten pages so hidden text cannot be copied. It runs with pdf-lib locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Redact PDF?

Redact PDF is a free browser-based pdf tool from utils.sbs. Black out sensitive content and flatten pages so hidden text cannot be copied. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategoryPDF
InputPDF, or images for image-to-PDF operations
OutputA PDF, extracted text or archive, depending on the operation
Enginepdf-lib
ProcessingIn your browser
PriceFree
AccountNot required

How Redact PDF works

PDF pages are parsed and written with pdf-lib in the browser. The document stays on your device from upload to download.

How to use Redact PDF

  1. 1Open Redact PDF and add your input.
  2. 2Use the default settings, or choose the format or detail level that matches your goal.
  3. 3Run the tool, check the preview or result, and download the output.

When to use Redact PDF

  • Organise, split or combine pages before sending a document.
  • Extract text or convert a PDF for another workflow.
  • Add a signature, watermark or page numbers to a document.

Limitations

Scanned PDFs may not expose selectable text, and very large documents can be slow on low-memory devices.

Privacy and accuracy

Redact PDF processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Redact PDF questions

  • What can I do with Redact PDF?

    Black out sensitive content and flatten pages so hidden text cannot be copied. Redact PDF is part of the PDF shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is Redact PDF free to use?

    Yes. Redact PDF is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use Redact PDF?

    No. Redact PDF is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does Redact PDF support?

    It works with PDF input and produces a downloadable PDF or extracted text, depending on the operation.

  • Can I use Redact PDF on my phone?

    Yes. Redact PDF is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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